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Description
Surveillance HDD 24/7 Continuous Recording Up to 64 HD Cameras
Purpose-built for 24/7 video surveillance recording — engineered to handle the continuous write workloads, heat fluctuations, and vibrations of NVR and DVR environments that standard desktop drives cannot sustain.
The WD Purple 1TB (WD11PURZ) is a 3.5-inch SATA hard drive designed exclusively for video surveillance systems. Unlike standard desktop hard drives built for intermittent use, the WD Purple is rated for continuous 24/7 operation at up to 180 TB/year workload — the sustained write-intensive environment of security cameras recording around the clock. It supports up to 64 single-stream HD cameras, is compatible with DVR and NVR systems from major security brands, and features WD's exclusive AllFrame technology to minimize video frame loss during playback.
Available at ITFactory.ca — Canada's trusted source for storage and security system components.
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Why You Cannot Use a Desktop Hard Drive in a Surveillance System Standard desktop hard drives are designed for short, intermittent read/write sessions — web browsing, document editing, and occasional file transfers. A surveillance system writes video data continuously, 24 hours a day, 7 days a week, often from multiple cameras simultaneously. A desktop drive used in this environment will typically fail within months due to heat buildup, vibration stress from nearby drives in multi-bay NVRs, and workload rates it was never designed to handle. The WD Purple is purpose-engineered for exactly this workload — rated for 180 TB/year of continuous write activity, thermally optimized for always-on NVR environments, and tested for compatibility with security system hardware from Hikvision, Dahua, and other major brands. |
Key Features
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Designed for 24/7 Continuous Operation |
AllFrame Technology |
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Up to 64 Single-Stream HD Cameras |
180 TB/Year Workload Rating |
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Thermal and Vibration Tolerance |
CMR (Conventional Magnetic Recording) |
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Broad Compatibility with Security Systems |
Up to 8 Drive Bay Support |
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3-Year Limited Warranty |
SATA 6 Gb/s Interface |
Who Is This For?
The WD Purple 1TB is the right choice for anyone installing or upgrading storage in a DVR or NVR-based security system. It is the entry-level capacity in the WD Purple line — suitable for smaller installations with fewer cameras or shorter retention periods, and for budget-conscious builds where 1TB covers the required recording duration.
Home security camera systems Small business DVR and NVR installs Security system integrators and installers Retail, office, and warehouse surveillance Replacement drives for existing NVR systems
Technical Specifications
| Brand | Western Digital (WD) |
| Model | WD Purple Surveillance Hard Drive |
| Part Number | WD11PURZ |
| Drive Type | HDD (Hard Disk Drive) — 3.5 inch |
| Capacity | 1TB |
| Interface | SATA 6 Gb/s |
| Rotation Speed | 5400 RPM |
| Cache | 64 MB |
| Recording Technology | CMR (Conventional Magnetic Recording) |
| Max Sequential Read | Up to 110 MB/s |
| Workload Rating | Up to 180 TB/year |
| Camera Support | Up to 64 single-stream HD cameras |
| Drive Bay Support | Up to 8 bays (1TB and 2TB models) |
| Surveillance Technology | WD AllFrame technology |
| Compatible Systems | DVR, NVR — compatible with Hikvision, Dahua, and major security brands |
| Operating Temperature | 0°C to 65°C |
| Warranty | 3-year limited warranty |
| Sold by | ITFactory.ca — Canadian authorized WD reseller |
Why Buy from ITFactory.ca?ITFactory.ca is a trusted Canadian retailer for storage and security system components, serving installers, businesses, and homeowners across the country. Every product we sell is genuine and backed by our team.
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Frequently Asked Questions
Can I use a regular desktop hard drive in my NVR or DVR instead?
Using a standard desktop hard drive in a surveillance system is not recommended. Desktop drives are designed for short, intermittent read/write sessions — not continuous 24/7 writing from multiple cameras. Under surveillance workloads, desktop drives typically fail much earlier due to heat buildup, vibration stress from adjacent drives in multi-bay enclosures, and workload rates that far exceed their design specifications. The WD Purple is purpose-built and rated for 180 TB/year of continuous write activity — the WD11PURZ also carries a 3-year warranty that covers this use case, which standard desktop drive warranties typically do not.
How many days of footage will 1TB store?
Recording duration depends on the number of cameras, video resolution, frame rate, and compression format used by your DVR or NVR. As a general estimate: a single 1080p HD camera recording continuously at standard H.264 compression uses approximately 10–15 GB per day. At that rate, 1TB provides roughly 65–100 days of footage from one camera. With multiple cameras, storage is divided proportionally — four cameras would reduce retention to approximately 16–25 days. Most modern NVRs display estimated recording time based on your camera count and settings. For longer retention or more cameras, higher-capacity WD Purple drives are also available at ITFactory.ca.
Is the WD Purple compatible with Hikvision and Dahua NVRs?
Yes. WD Purple drives are tested for compatibility with a wide range of DVR and NVR systems from major security brands including Hikvision and Dahua. The WD11PURZ uses a standard SATA 6 Gb/s interface, which is universally compatible with virtually all DVR and NVR enclosures without any adapters or special configuration.
What is AllFrame technology?
AllFrame is WD's proprietary technology that enhances ATA streaming in surveillance drives. It reduces the occurrence of video frame drops during continuous write workloads — meaning your recorded footage has fewer gaps, glitches, or corrupted segments when compared to standard drives used in the same environment. This is particularly important for incident review, where missing frames can affect the usefulness of recorded footage.
What is the difference between WD Purple and WD Purple Pro?
WD Purple is designed for mainstream surveillance with up to 64 cameras and a 180 TB/year workload rating — suitable for most home and small business security systems. WD Purple Pro is built for larger, more demanding installations with 32 to 64 channel NVR systems, AI-enabled cameras, and 4K recording. The Pro model carries a 550 TB/year workload rating and is rated for up to 32 drive bays. If you are running a large commercial system with AI video analytics or high-channel-count recording, the Pro is the appropriate choice.
Refund Policy
REFUND AND RETURN POLICY
Effective Date: November 12, 2025
Contact: support@itfactory.ca | (888) 313-1124
QUICK SUMMARY
| Product Type | Return Window | Restocking Fee |
|---|---|---|
| Digital Software | Defective only | 0% |
| Physical (Unopened) | 30 days | 0% |
| Physical (Opened) | 30 days | 15% |
| Defective/Wrong Item | 30 days | 0% - FREE return shipping |
| Open Box Items | 7 days (DOA only) | 0% |
| Final Sale Items | NO RETURNS | N/A |
1. DIGITAL PRODUCTS (DOWNLOADABLE SOFTWARE)
Final Sale - Limited Exceptions
Software downloads are final sale once the activation key is sent.
No refunds for: Wrong purchase, changed mind, compatibility issues, or buyer's remorse.
Refunds ONLY if defective:
- Activation key doesn't work after verification
- Software crashes on systems meeting minimum requirements
- Publisher confirms key is invalid or already used
Your Responsibility: Verify system requirements BEFORE purchasing. Once you receive the activation key, the sale is final unless the software is defective.
To request a refund: Email sales@itfactory.ca within 30 days with your order number and detailed description of the issue. We'll troubleshoot with you first.
2. PHYSICAL PRODUCTS
30-Day Returns
Return most physical products within 30 days of delivery.
Restocking Fees
- Defective/Damaged/Wrong Item: 0% + FREE return shipping
- Unopened (Changed Mind): 15%
- Opened/Used (Changed Mind): 25%
Return Requirements
Items must have:
- Original packaging and all accessories
- Intact UPC code/barcode
- No physical damage
- RMA number (obtained before returning)
Cannot Be Returned
- Final Sale items
- Open Box items (except DOA within 7 days)
- Items without original packaging
- Items with removed UPC codes
- Items used for mail-in rebates
3. HOW TO RETURN
Step 1: Get RMA Number
Email support@itfactory.ca with:
- Order number
- Item(s) to return
- Reason for return
- Photos (if defective/damaged)
We'll respond within 1-2 business days with your RMA number and instructions.
Step 2: Ship the Return
- Write RMA number on outside of package
- Include all original packaging and accessories
- Use provided label (if applicable) or ship to:
ITFactory, 4035 St-Ambroise Unit 310, Montreal, QC H4C 2E1 - Keep tracking number
Step 3: Receive Refund
Once we receive and inspect your return (3-5 business days), we'll process your refund. Refunds typically appear in 5-10 business days depending on your bank.
4. DEFECTIVE OR WRONG ITEMS
Contact us immediately at support@itfactory.ca or (888) 313-1124.
We'll provide a prepaid return label and offer a full refund, replacement, or store credit. No restocking fee.
5. EXCHANGES
We don't offer direct exchanges. Return the original item for a refund, then place a new order for the item you want.
6. CANCELLATIONS
- Digital Products: Can cancel if activation key hasn't been sent yet
- Physical Products: Can cancel if order hasn't shipped yet
- Contact us immediately at support@itfactory.ca or (888) 313-1124
7. SPECIAL CIRCUMSTANCES
Order Verification
We may verify orders before processing. If we contact you, please respond within 3 business days or your order will be automatically cancelled and refunded.
Pricing Errors
We reserve the right to cancel orders placed at incorrect prices due to errors. You'll receive a full refund.
Out of Stock
If an item becomes unavailable after ordering, we'll notify you and offer to wait for restock or receive a full refund.
8. MANUFACTURER WARRANTIES
Many products include manufacturer warranties separate from our 30-day return policy. Warranty claims after 30 days should be directed to the manufacturer. We can help facilitate warranty claims when possible.
CONTACT US
Returns & Refunds Department
Email: support@itfactory.ca (fastest response)
Phone: (888) 313-1124
Hours: Monday-Friday, 9:30 AM - 5:30 PM EST
Important: The policy in effect at the time of your purchase applies to your order. We recommend reviewing this policy before each purchase.